Letter opinion issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Dan Morales, regarding a legal question submitted for clarification: Whether article I, section 16 of the Texas Constitution precludes the Texas Workers' Compensation Insurance Facility from denying workers' compensation insurance coverage to an employer that, prior to the effective date of section VII.f.6 of the facility's rules, committed the conduct that section VII.f.6 describes.